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发明名称
Dispositif lumineux de sécurité facilitant le croisement des véhicules automobiles ou autres, circulant en période non éclairée
摘要
申请公布号
FR923068(A)
申请公布日期
1947.06.26
申请号
FRD923068
申请日期
1946.02.21
申请人
发明人
TEMPEZ FRANCOIS-GASTON-JEAN
分类号
B60Q1/24
主分类号
B60Q1/24
代理机构
代理人
主权项
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